Reproduction steps:
1. Open project “GaiaTest”
2. Go to “Window\Procedural Worlds\Gaia\Show Gaia Manager”
3. Select “1. Terrains”, choose “Small” for “World Size”, “Desktop” for “Target Platform/ Quality” and click "Create Terrain(s)"
4. Select “2. Tools”, choose “Coniferouse Forest” for “Biome Settings” and click “Create Tools”
5. When the Stamp Browser is displayed click apply
6. Select “3. Runtime”, choose “Third Person” for “Player Controller”, “Procedural Worlds Sky” for “Skies”, “Standard Clear Lake” for “Water”, “Moderate” for “Wind Type” and click “Create Runtime”
7. Select “Stamper” GameObject in the Scene and in the Inspector click “Stamp”

Expected result: Unity Editor does not crash
Actual result: Unity Editor crashes

Reproducible with: 2021.3.23f1
Couldn’t test with: 2020.3.47f1 (compiler errors), 2022.2.16f1, 2023.1.0b13, 2023.2.0a11 (application is not responding after the 6th step)

Reproducible on: macOS Ventura 13.2.1 (Intel), Windows 11

First few lines of Stack Trace:
0x00007ff7184c4414 (Unity) RenderBufferManager::Textures::GetTempBuffer
0x00007ff719843cda (Unity) ReflectionProbeBaker::Start
0x00007ff7196d26b8 (Unity) BakedReflectionSystem::IssueBakeReflectionProbePreparation
0x00007ff719ab5580 (Unity) BuiltinSkyManager::PostUpdate
0x00007ff719ac95cc (Unity) gi::PostUpdate